The supernova SN 2006aj associated with GRB 060218 is the second-closest GRB-SN observed to date (z=0.033). We present Very Large Telescope, Liverpool Telescope...
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PublicationThe GRB 060218/SN 2006aj event in the context of other gamma-ray burst supernovae
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PublicationThe HETE-2 satellite: detection of Gamma-Ray Bursts and other transient phenomena
HETE-2 (High Energy Transient Explorer) is a small scientific satellite whose main task is to detect Gamma-Ray Bursts, promptly determine their coordinates...
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PublicationThe June 2008 Flare of Markarian 421 from Optical to TeV Energies
We present optical, X-ray, high-energy (lap30 GeV) and very high energy (gap100 GeV; VHE) observations of the high-frequency peaked blazar Mrk 421 taken between...
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NewsThe LST-1 telescope on La Palma detects the Crab Pulsar at very high-energy
The first prototype of the Large-Size Telescope (LST) of the Cherenkov Telescope Array (CTA), the LST-1, located at the Roque de los Muchachos Observatory...
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TalkThe nature of gamma-ray binaries
The improvement on the Imaging Air Cherenkov Technique led to the discovery of a new class of compact binaries: the gamma-ray binaries. This small class consist...
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PublicationThe Optical/IR Counterpart of the 1998 July 3 Gamma-Ray Burst and Its Evolution
We imaged the X-ray error box of GRB 980703, beginning 22.5 hr after the gamma-ray event, in both the optical R and near-infrared H bands. A fading optical/IR...
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PublicationThe Rapid Decay of the Optical Emission from GRB 980326 and Its Possible Implications
We report the discovery of the optical counterpart to GRB 980326. Its rapid optical decay can be characterized by a power law with exponent - 2.10+/-0.13 and a...
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PublicationThe Redshift of the BL Lac Object TXS 0506+056
The bright BL Lac object TXS 0506+056 is the most likely counterpart of the IceCube neutrino event EHE 170922A. The lack of this redshift prevents a...
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PublicationThe simultaneous low state spectral energy distribution of 1ES 2344+514 from radio to very high energies
Context. BL Lacertae objects are variable at all energy bands on time scales down to minutes. To construct and interpret their spectral energy distribution (SED...